It came even as markets had been pricing in Ben Bernanke's new round of so-called quantitative easing for several weeks, while players like PIMCO's Bill Gross criticized the plan.
Over in Asia Japan's Nikkei gained 2.2% while Hong Kong's Hang Seng index rose by 1.6% on Thursday after the plan was announced on Wednesday evening.Europe's Stoxx 50 index rose by nearly 2% while London's FTSE 100 was up by 1.8% in late morning trading. London was led higher by minerby Societe Generale.
European bond prices fell on Thursday. Germany's 30-year and 10-year bunds fell in price, with the 30-year yielding 2.97%, up from 2.85% on Wednesday. British 10-year gilts also fell in price, and yielded 3.04%.
In currencies, the euro gained against the dollar to buy $1.424, up from $1.413 on Wednesday, while the pound rose slightly against the greenback to buy $1.618.
